Mercury is considered a toxic pollutant harmful to our human health and the environment.
Mercury is highly persistent, volatile and bioaccumulated and enters into the food chain …

Most heavy metal ions are known to be toxic and carcinogenic when present in high
amounts. Thus, rapid and reliable on-site detection of these ions is crucial. Voltammetry is a …

1. INTRODUCTION Detection of chemical and biological agents plays a fundamental role in
biomedical, forensic and environmental sciences 1− 4 as well as in anti bioterrorism …

As heavy metal ions severely harm human health, it is important to develop simple, sensitive
and accurate methods for their detection in environment and food. Electrochemical detection …

Heavy metal pollution is one of the most serious environmental problems, which undermines
global sustainability. Many efforts have been made to develop portable sensors for …

This Review presents the latest advances in designing electrochemical sensors by using
carbon nanodots (CNDs), carbon dots (CDs), and graphene quantum dots (GQDs), as a new …

Graphene quantum dots (GQDs) are emerging zero dimensional materials promising
various novel applications due to their extraordinary physicochemical properties. In this …

Graphene (G) is attracting significant attention because of its unique physical and electronic
properties. The production of graphene through the reduction of graphene oxide (GO) is a …

The electrochemical determination of Hg (II) at trace level using gold nanoparticles–modified
glassy carbon (AuNPs–GC) electrodes is described. Starting from HAuCl4 in NaNO3, gold …

We demonstrate a new highly sensitive and selective Hg (II) sensor with a graphene-based
nanocomposite film as the enhanced sensing platform. The platform was constructed by …